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Full Discussion: Help with faulty Disk on Sun OS
Operating Systems Solaris Help with faulty Disk on Sun OS Post 302614739 by Yeaboem on Wednesday 28th of March 2012 07:29:27 PM
Old 03-28-2012
So, what's your question? It appears that every slice of the failed disk (c0t0d0) is mirrored, so you can follow your normal detach-replace-attach process to fix this.. but your configuration does require some care, as c0t0d0 is not mirrored by a single disk. You will likely have to hand construct the partition table to match the sizes of the slices on the other 2 disks involved in the various mirrors (c2t3d0 and c0t2d0).

also, since you are replacing a disk which is part of your boot mirror, you will need to ensure that you put the bootblocks onto the replacement.. see the manpage for 'installboot' for details, but I suspect the command will be something like:

Code:
# installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/c0t0d0s0

..and, just in case some prior administrator didn't put the bootblocks on c2t3s0, you might want to proactively apply them there FIRST, before you eject c0t0d0 from the chassis.

Those old 18G and 36G scsi drives are becoming harder to find reliable replacements for... good luck finding some!
 

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LEARN ABOUT OSX

installboot

installboot(1M) 														   installboot(1M)

NAME

       installboot - install bootblocks in a disk partition

SYNOPSIS

       installboot bootblk raw-disk-device

       The boot(1M) program, ufsboot, is loaded from disk by the bootblock program which resides in the boot area of a disk partition.

       The  ufs  boot objects are platform-dependent, and reside in the /usr/platform/platform-name/lib/fs/ufs directory. The platform name can be
       found using the -i option of uname(1).

       The installboot utility is a SPARC only program. It is not supported on the  architecture.  users should use installgrub(1M) instead.

       bootblk	       The name of the bootblock code.

       raw-disk-device The name of the disk device onto which the bootblock code is to be installed; it must be a character device which is  read-
		       able and writable. Naming conventions for a SCSI or IPI drive are c?t?d?s? and c?d?s? for an IDE drive.

       Example 1: Installing UFS Boot Block

       To install a ufs boot block on slice 0 of target 0 on controller 1 of the platform where the command is being run, use:

	      example# installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk 
		   /dev/rdsk/c1t0d0s0

       /usr/platform/platform-name/lib/fs/ufs

	   directory where ufs boot objects reside.

       /platform/platform-name/ufsboot

	   second level program to boot from a disk or CD

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

       od(1), uname(1), boot(1M), init(1M), kadb(1M), kernel(1M), monitor(1M), reboot(1M), rpc.bootparamd(1M), init.d(4), attributes(5)

WARNINGS

       The installboot utility fails if the bootblk or openfirmware files do not exist or if the raw disk device is not a character device.

								    11 Apr 2005 						   installboot(1M)
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